35x + 200y how many terms are in the expression, what are they, and how do you know?

Taking algebra two apex courses and need with these questions

Give all possible names for the line shown. calculation tip: lines can be written with either point first.

When you have 25 numbers, and jake picks 3 random numbers and puts them back, what is the chance bob has of picking those 3 numbers when he picks 6 random numbers (without putting them back)? explain.